Ya, sorry for the missing tutorial.
Here are the recipes for you to get started.
Cheese Pizza
1. Dough Disc + Tomato Ladle > Saucer = Sauced Base
2. Sauced Base + Cheese Shreds > Cheesifier = Raw Cheese
3. Raw Cheese >Oven = Baked Cheese
4. Baked Cheese + Empty Box > Box Packer = Boxed Cheese Pizza (Click to sell)
Pepperoni Pizza
1–2. Same as Cheese to get Raw Cheese
3. Raw Cheese + Pepperoni Slices > Topper = Raw Pepperoni
4. Raw Pepperoni > Oven = Baked Pepperoni
5. Baked Pepperoni + Empty Box > Box Packer = Boxed Pepperoni Pizza (Click to sell)
Veggie Pizza : You'll be able to figure out.